JP2813344B2 - Portable wireless system with externally programmable connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention generally relates to connecting related accessories.
Mobile with multipoint electrical connector accessible from outside
Related to wireless systems. BACKGROUND OF THE INVENTION Portable "personal" wireless systems are now widely used
Is what is being done. Many of these wireless systems
It can be held by hand or has quick access
Some kind of harne tied to the user so that it can be
Inside the assembly. In addition, these
The wire system is temporarily stored in the user's clothing pocket
Or installed around a desk or dashboard.
In such an environment, the outer surface of the wireless device
Conductors that can be seen (eg, coins, pens, etc.) touch
To do is not surprising. In addition, outside of such a personal portable wireless system,
Externally accessible multipoint electrical connector on the surface
It is also normal. Seeds in this way
Various wireless accessories form part of a portable wireless system
Such that they can be electrically interconnected.
By using such an accessory, the user's convenience
Perform remote control operations for basic
It is possible to provide functions that cannot be used with
You. The internal electrical energy source is (for example, a basic wireless unit)
Power from the internal rechargeable battery pack
One of the externally accessible contacts (to supply the
Connected, the exposed connector contacts
Inadvertent short-circuits could cause internal
Power consumption capacity of the
Damage) can occur. This situation is
The contacts are mounted in the same plane as the outer surface, or
Recent pans mounted slightly below the outer surface
By adopting connector jack design
It gets worse. Advantages of such a jack design
Is less likely to accumulate dust when actually used
(For example, because there is no concave part where dust collects)
is there). In addition, when the wireless device rubs against clothing,
Jack contacts are often rubbed and accumulated
This is because there is a tendency to remove dust and oxides.
You. One conventional method for solving the above problems is to connect
Externally accessible only when point is fully pressed
Of the connector terminals so that
Some or all may be movable switch contacts.
And However, such switches / connectors
Are relatively expensive, mechanically complex and large,
Generally not preferred. Also, depending on the interconnected accessories, the basic wireless
It is often necessary to change the operation of
Or it may be desirable. For example, earphones
If it is possible, the internal radio of the basic
Disconnect the audio signal from the receiver
Must be supplied to an external earphone device. Further
Also, this type of switching is typically done mechanically
Achieved by possible connector contacts. But
However, as in the case of the power supply contact,
Contact / switch assembly is packaged
State-of-the-art personal computers that require relatively small dimensions
Is often unreliable when housed in a
The price is high and quite large. Furthermore, different
Separate dedicated contacts etc. are required for each type of external accessory
(Partially reduce the size of these devices).
Relatively few
It is only possible to connect different types of accessories
You. The following U.S. patents relate directly to portable wireless systems
Other issues which are not, but somewhat relevant to, the present invention.
It discloses several examples of some conventional methods for
It is. That is, U.S. Pat.No. 3,458,806, U.S. Pat.
No.3577076, U.S. Pat.No. 3,943,440, U.S. Pat.No. 4006
No. 396, U.S. Pat. No. 4,449,792. U.S. Pat. No. 3,458,806, mentioned above, describes connected devices.
As a part of product quality testing equipment related to manufacturing,
Sequential test equipment to measure impedance between pins of connector
An arrangement is disclosed. Also, U.S. Pat.Nos. 3464012, 357776 and 39
No. 43440 discloses various electrical signal measuring instruments.
In this instrument, the range or scale of the measuring device
Selection and / or sensitivity provided in connection with the measuring device
Connected to the measuring device simultaneously with a measuring probe, etc.
Automatically determined by the corresponding electrical impedance element
Is defined. Also, U.S. Pat.
An electric device is disclosed, in which a bonus
Type battery pack contains an active battery charging circuit
A unique corresponding resistor connected to the battery
A resistance is provided. For this reason, battery chargers are
Provide the proper charging current and potential for a given battery pack.
Can be paid. Also, U.S. Pat.
A special magnetically operated sensing element physically associated with the
Switch with a magnetic actuator.
Appropriate operation only when appropriate communication cables are interconnected
A signal is generated. Also, remote control of the video tape recorder is required.
In this control, the characteristic resistance is
Connected between both ends of the
To determine which of the button switches has been activated.
The signal is generated. [Summary of the Invention] The present invention defines a required operation method of a portable wireless system.
A computer controlled by a programmed computer
Uses Gram-Controlled Portable Wireless RF and Audio Circuits
To provide a new portable wireless system. Easily needed
When this is done, this device can be connected to a programmed computer.
Externally accessible multi-port
This computer includes a point electrical connector.
Electrically connected to at least one point of the connector from outside
Monitor the impedance and act on the result of this monitoring
Change the operation method of. For example, in the preferred embodiment, the detected predetermined characteristic value
If the electrical impedance is
Only when it indicates that it is connected to a point
To supply output voltage to auxiliary equipment connected to the
Provide a circuit to perform. Such an electrical impedance
Appropriate components that supply parameters are accessed externally
Surrounding external conditions that are likely to occur accidentally for possible connection points
Accurate, predetermined and known properties that are not easily influenced by
Electric circuits such as ordinary resistors and zener diodes
Goods. In other words, at least a general-purpose device connector jack
One contact also has external program control parameters inside
Function to supply the computer controlled wireless communication circuit of
It is provided for exclusive use. Typically, individual electrical components
Is between selected programming pin and ground potential
Connected in this case, where the selected electrical components are
It has a unique value or characteristic associated with the formula attachment. For example, programming a normal resistor of a given resistance value
When connected between the power contact and ground, the value of this resistance is
Depends uniquely on the type of associated accessory. Internal con
A computer controlled radio circuit is connected to such an external
By sensing the value of the resistance, the operation of the wireless device can be
Reconfigure automatically. As mentioned earlier, diodes,
Other parts such as zener diodes, inductors and capacitors
Articles or combinations thereof may be utilized. But
However, in the preferred embodiment, a simple resistor is utilized.
You. Similarly, in the preferred embodiment, such connected
One specific technique for measuring the value of impedance (eg,
For example, connect this connected impedance to a normal voltage divider.
And measure this divided voltage level.
Technology for measuring impedance by using
But instead of many other impedance measurement techniques
(For example, a constant current is applied to the external impedance,
Measure the voltage across the resulting impedance.
Technology). In the preferred embodiment, the external connector interface
Many, if not all, of the signals
Electrical switching within wireless devices under computer control
This eliminates the need for movable switch contacts
Extremely versatile limited number of general purpose device connector contacts
To use. More switch contacts dedicated to programming functions
For use in the “on / off” state (for example,
Is short-circuited or short-circuited).
Knowing that the attached accessory is binary coded
It is possible to identify according to the code. However
However, such a method can only be used if the available space is small.
Need to use too many connector contacts
Is not preferred. On the other hand,
For example, by selecting the appropriate resistance value,
A single resistor and a pro
Single connector dedicated for gramming function
256 different connection devices using only data contacts
Can be identified. Two similar functions
Multiple coded programming connector contacts
To achieve this, there are eight separate connections for the programming function.
It is necessary to set points. Such portable wireless systems are sometimes
External speakers are examples of auxiliary or auxiliary equipment
Or earphone, external speaker / microphone control unit
Unit, emergency call sensor, and program data
Download to wireless devices or automatically test wireless devices
Computer or other data source
is there. Also, speakers and microphones provided in the auxiliary device
Wireless devices operate differently depending on the type of microphone, etc.
If it is necessary to do
And / or another control button can be used
You. In some cases, the wireless device may
When local control of the equipment is no longer needed or
If it is acceptable, the wireless device responds to the connection.
It is also possible to disable all local devices of the device itself. The adjunct itself will have further control over how the wireless device operates.
The impedance of the programming connection (for example,
Resistance can be changed. For example, an auxiliary
When the device is connected (for example,
(Like switching or changing the value of a connected resistor)
Unless the activation switch is manually activated, the external control button
Program the wireless device to disable
it can. These and other objects and advantages of the present invention are
The following description of a preferred embodiment of the invention with reference to the accompanying drawings:
It will be fully understood from the detailed description. [Description of Embodiment] A portable wireless system 10 according to the present invention is shown in FIG.
ing. This wireless system is a speaker / microphone
12, control function switch 14, visible display 16, antenna
Normal machines, such as
Has ability. Such devices can be held by hand
Small enough and often immediately accessible for use
Harness tied to the user's body so that
It is carried by the nest structure. In use, typical
Typically, the user turns on all devices with switch 22
State and then activate the receiver and / or transmitter
Tune to desired frequency (displayed on display 16)
The switch 14 is operated to make Then switch 20
Associated with the microphone and / or speaker
Operates manually as a push-to-talk switch. Ma
The microphone and speaker are inside the sound passage cover 12.
Housed in a push-to-talk (PTT) switch 20
It is used alternately depending on the situation. Briefly, this
The configuration is controlled by a programmed computer
Radio and audio circuits, and internal recharging
Computer-controlled portable using rechargeable battery power
A wireless communication device for the portable wireless system.
Establish a prescribed operation method for the system. In the preferred embodiment of FIG. 1, a portable radio system
10 is an externally accessible multi-point general-purpose device connector
It has a jack 30. Typically, this jack is
(In this embodiment, an electrical ground connection point is formed.
Multiple) arranged around a central screw connection opening 34
It has electrical contacts 32. General-purpose equipment that engages with Jack 30
Connector plug 40 is screw connector 42 and jack
Similar electrical contacts 44 arranged to engage 30 contacts
have. As understood by those skilled in the art
In addition, the general-purpose device connector plug 40 is one of the external accessory devices.
As a part, attached or via cable 46
Connected to an external accessory device as described above. Therefore, the portable wireless system 10 shown in FIG.
With or without computer-controlled portable wireless communication device 60
General equipment connector / jack 30 and plug depending on selection
With an external accessory 50 electrically connected via 40
be able to. As is evident from FIG. 1, accessible from outside
Electrical contacts 32 are typically exposed and have a corresponding connector.
Plug (or other cover member) attached
If not, connect them to each other or
May be accidentally short-circuited. And also
Regardless, as described in more detail below,
These input / output connections to the data-controlled wireless communication device 60
Wireless communication even if such an accidental short circuit occurs.
It is internally configured so as not to damage the communication device. Change
In a preferred embodiment, the computer controlled wireless communication
The communication device detects such an accidental short circuit and outputs an audible warning signal.
Is programmed to produce The associated electrical circuit is shown in simplified form in FIG.
I have. In FIG. 2, a microprocessor controlled radio
The communication device 60 has a normal microprocessor 100,
This microprocessor 100 is a digital data / control
The digital memory 104 is connected to the input / output circuit via the bus circuit 102.
Path 106, analog-to-digital (A / D) conversion circuit 108, nothing
Line frequency (RF) processing circuit 110 and audio signal processing circuit
It is connected to road 112. Typically, audio signal processing
The processing circuit 112 further connects an audio link 114 to the RF processing circuit 110.
(For example, the discriminator and the RF-1F section)
And / or connected to the modulator in the IF / RF section). this
The general structure of such microprocessor controlled radio circuits
Is obvious to those with expertise in this technical field.
Such a normal design may be used. In the preferred embodiment, a universal device connector jack
30 has 12 contacts 32 and is a universal device connector plug 40
Has a corresponding similar arrangement of twelve contacts 44. Earth
Connections are made via metal mechanical screw connections 42/34
It is. The input / output circuit 106 downloads data via the “transmission data” line.
Receiving the loaded program / control data,
A return data signal (these data
Data can be transmitted in normal RS232 serial format)
Configure the interface to supply. Like this
Different, new or compensating control programs
Data is downloaded from the external device to the memory 104,
As a result, the operation of the microprocessor 100 and the wireless
The operation of the device can be controlled. Further, the input / output circuit 106 is connected to the control microprocessor 100.
(And its associated digital control circuitry) and external
Push talk switch, emergency signal switch, control
Tone sequence generation switch, transmission / reception function,
Function, and understood by those skilled in the art.
Configure the interface between other normal functions like
You. Also, squelch or audio control function
Connection can also be made via the connector jack 30.
In addition, audio input (microphone, record) and audio output
(Speaker) connection as shown in Fig. 2.
This can also be done with the Kuta jack 30. In addition to these functional interfaces (these
Most or all of the interface is microprocessor
Can be activated or deactivated by the
Switches are connected effectively), external access
One of the possible pins 32 is labeled "UDC sensing" in FIG.
The external programming function of the present invention is shown as
Dedicated for. As shown in the preferred embodiment of FIG.
This special externally accessible pin is
Connected to the 5 volt power supply inside wireless device 60 via anti-R2
Have been. Furthermore, the voltage that appears on the "UDC sense" line is analog
Monitored at the input of the digital-to-digital converter 108 (this conversion
The converter is typically a battery supply voltage level, RF power output
Already installed in the wireless device 60 to monitor levels, etc.
Is what it is). In the preferred embodiment of FIG. 2, external access is possible.
One of the active pins (eg, transmit data)
Connected to the 5 volt power supply inside wireless device 60
You. As a result, if no external attachments are connected
The "transmit data" line is held at the "high" level. This
Line status is monitored by microprocessor 100
If this condition goes to a “low” level (for example,
Shorted to ground, or normally at a "low" level.
When connected to the held "receive data" line
A) This means that some kind of external accessory 50 is connected
Microprocessor 100
Is connected to the "UDC sense" pin at the same time
(E.g., R3 in FIG. 2).
You. The value of this connected impedance is
It is set to a unique value for identification of the attachment 50
And whether the microprocessor 100 is that device
To determine the various connections of the general-purpose device connector jack 30.
Proper action to activate or deactivate the point properly
I do. In the preferred embodiment of FIG.
One of the possible pins is shown as "External Power"
However, this is because the transistor 150
If it is turned “on” by an internal output,
Power to connected external accessories
used. As shown in FIG.
The "external power" terminal is a direct 5-volt power supply inside the wireless device
(Via transistor 150). But
Otherwise, transistor 150 is turned off
And therefore the "external power" pin is shorted directly to ground
Or universal device connector jack 30 to other pins
If shorted, wireless device 60 will not be damaged. No.
As shown in FIG. 2, the external attachment device 50 is connected,
If transistor 150 is activated,
`` Power supply '' pin is a control circuit provided in the external device,
Supply operating power to amplifiers or other active devices. this
When such a control circuit 160 is provided in an external accessory device,
In this case, the control circuit (as shown by dotted line 162)
To control the value of resistor R3 connected to the "sense" pin.
The microprocessor used in the wireless device 60
The programmed control action by 100 is performed. As mentioned above, the "transmit data" line is indicated by the dotted line 164
Grounded or connected to "receive data" line
(This "received data" line is usually
Therefore, it is assumed that it is maintained at a low level.
To the wireless device 60 that the plug 40 is connected.
Can be made. Obvious by those in the art.
As is, to detect the connection of the plug 40,
It is not always necessary to use a separate
No. Instead, an impedance connected to the "UDC sense" pin
Monitor external dances directly by monitoring dances
Can be sensed. Fig. 3 shows an example where an external accessory device 50 with a speaker is connected.
Is shown in In FIG. 3, an electroacoustic transducer (example
For example, the speaker is connected to the audio output pin (and
Resistance point), and a unique characteristic resistor R4
Notice that it is connected between the "Knowledge" pin and ground.
You. "Transmit data" and "Receive data" lines are short
Have been entangled. Computer controlled radio 60
Senses the connection of an external accessory with a speaker
This computer controlled wireless device 60 automatically operates
Change the audio signal to the external speaker
(Or earphone device) and internal
Disable the operation of the peaker device. At the same time,
Remaining internal functions (for example, audio input from microphone)
Functions such as power and push talk) as usual
Make it work. External attachments with speakers and microphone
An example of connection is shown in FIG. In this case as well,
The Data and Receive Data lines are shorted together
However, the “UDC sense” line is connected to the unique resistor R5.
You. The “audio out” pin is connected to the speaker as before.
ing. Microphone is the microphone of the connector
Connected to the power or "audio input" pin and
(PTT) switch connector
”Terminal. Computer controlled radio
Device 60 has such a speaker and microphone
When the connection of an external accessory is detected, the computer
The controlled wireless device automatically changes its operation method and
Normal push-to-talk switch in the
Microphones and speakers,
Activate the appropriate 30 input / output pins to disable these functions.
It is programmed as shown in the accessory. An example of connecting an emergency call accessory is shown in FIG.
ing. In this case also,
Data lines are shorted together, but the UDC sense line is
Connected to another unique resistor R6. I / O circuit 106
One of the pins of jack 30 connected to the
Connected to the switch, the computer controlled radio 60
Monitors the status of the emergency switch in response to the connection of this accessory.
Change its operation as you see it. Also, easily access
Emergency message when the accessible switch is activated
(For example, a predetermined rescue request signal of a predetermined frequency)
An emergency switch on the wireless device to send
It is often desirable. This within the basic wireless device 60
Avoid having dedicated space for such functions
Instead, replace the switch with a general-purpose device connector
As an optional accessory connected via jack 30
Can be provided. For this reason, the control microprocessor
The sensor 100 senses the connection of such ancillary equipment, and
When a sudden switch closure is detected, the wireless device 60
The user is in an emergency
To send a predetermined binary message indicating
Can be Fig. 6 shows an example of connecting a programming accessory.
Have been. In this figure, another unique resistor R7
Connected between "UDC sense" wire and ground. Only
While the “transmit data” and “receive data” lines are RS
Used to send and receive data in 232 format
And controlled by appropriate computer transmissions 302
Connected to the level conversion circuit 300. In this technical field
As will be appreciated by those skilled in the art,
Is transmitted by the level conversion circuit 300 first.
Short-circuit the `` receive data '' line for a sufficient time
After changing the operation method of the device 60, the "transmission data" and
Send and receive RS232 type serial data via "Receive data" line
It is programmed to do it. Level conversion circuit 300 is plus (+) and minus
(-) 12 volt signals at logic levels 0 and 5 volts
It can be of normal design to convert to a signal of
The standard computer device 302 is standard RS232 type serial
Communicates with microprocessor 100 via interface
Can be performed. This results in a programmable frequency
Channel assignment data and parameters for several synthesizers
Data or other control program data (for example,
Software implementation options such as
Basic wireless data is temporarily stored as shown in FIG.
Input to the wireless device via the connected accessory device and store it
Is done. In addition, the accessory shown in FIG.
Special software already stored in the
Call the routine to compile the internal wireless circuit test procedure, etc.
Used for automatic execution via the
Can be As understood by those skilled in the art,
The overall control program for processor 100 is very complex
It is. However, understanding and practicing the present invention
As far as this is concerned, such standard (albeit complicated)
The algorithm is well known and is described in more detail here.
No need to explain. Rather, such a control program
Only the changed parts of the program (eg, subroutines)
Shown in the simplified software flowchart of FIG.
Have been. For example, at the entry point A of a typical normal control program
In addition, an additional conditional logic branch block 700 is inserted.
And the state of the "transmit data" line is tested. This line
In the case of the "low" level, in FIG.
Branch to If not, continue control as normal
Then, at block 702, the internal function,
Features such as mosquito, microphone and push talk
Connecting. At block 704, the push talk (PT
T) The state of the switch is tested and this switch is pressed
If yes (on), control proceeds to block 706.
Where the transmission control data is transmitted by the frequency synthesizer or
/ And loaded into the audio system, then block
The transmitter is keyed at 708 and then the test
Return to lock 704. When the PTT switch is not activated
Indicates the receive function and control proceeds to block 710.
Here, the appropriate reception control data is stored in the frequency synthesizer.
And loaded into the audio system, then block
At 712, the state of the squelch circuit is tested. Skeleton
If the switch is not open, control is passed to block 70.
Return to 0. On the other hand, when the squelch circuit is open
The audio circuit is opened at block 714 and
An audio signal is supplied to an appropriate speaker or the like. In the preferred embodiment, the state of the "transmit data" line
Test is a separate control sequence from the basic control sequence described above.
Form a branch point for branching into
It should also be understood that this configuration can be utilized. An example
For example, the voltage on the "UDC sense" line is below a predetermined threshold limit
Is considered to indicate the connection of the accessory.
This may be used for the test block 700. Change
Also, all of the other control functions (described below)
Instead of using block 700, the basics of the control program
May be provided directly during a typical control sequence. Alternative or additional function control in preferred embodiment
Is shown on the right side of FIG.
Test block 70 if the data line is not at the high level
Enter from 0. In this case, the voltage of the “UDC sense” terminal
Suitable output from analog-to-digital converter 108
Measured at block 800) by reading
It is. This measured voltage V _m Is a normal voltage divider shown below
According to the relationship, the connected resistors (for example, FIG.
Is directly related to the resistance of R3). V _m = V _b R3 / (R2 + R3) [Equation 1] where V _m Is the measured voltage at the UDC sensing terminal
You. Also, V _b Is the power supply voltage or battery voltage (for example,
As described, the voltage measured by the A / D converter 108)
It is. R2 is a known resistance value inside the wireless device 60 (eg,
10KΩ). R3 is unique to certain accessories
Unknown resistance value. The unknown resistance value R3 is derived by the following equation. R3 = R2V _m / (V _b −V _m [Equation 2] Of course, there are many methods for measuring impedance.
You. For example, a known constant current I _C To the "UDC sensing" terminal,
By measuring the voltage that appears at this terminal, R3 = V _m / I _C Tona
The impedance can be measured. The voltage at the "UDC sense" terminal is measured at block 800
And then tests at blocks 802, 804, 806 and 808.
The measured voltage is
Determine if the voltage is within the expected predetermined range
It is. If the measured voltage is not within the predetermined range, the control will
Proceed to final block 810 where the accessory is disabled
An audio alarm signal is output which means there is
Thereafter, the flow returns to block 700. If the user accidentally says "Send
When the "receive data" and "receive data" terminals are short-circuited,
Will promptly notify the user via an audio alarm signal.
The fact is warned, and the correction operation is performed. Identified as an external speaker accessory is connected
If so (eg, in FIG. 3), control is passed to block 81
Proceed to step 2, where the internal speaker of wireless device 60 is disconnected.
And proceed to block 814. In this block 814,
Activate the external “audio out” wire on jack 30 and then
Return to 704. External speaker / microphone attachments (eg
If it is identified as connected (as in Figure 4),
Control proceeds to block 816 where the wireless device 60 is
Internal speaker, microphone and push-toe
(PTT) switch is disconnected, and to block 818
The input / output pins of jack 30 are driven,
Leave the function of the speaker / microphone / PTT to the external attachment.
Thereafter, control returns to block 704. If an emergency accessory is identified as connected
Tests the status of the emergency switch in block 820.
Done. Emergency switch not pressed (not on
If not, control returns to block 704 for normal operation.
Return to However, the emergency switch has been pressed
If so, control passes to block 822 where the block
An emergency message is sent out at block 802 and then block 7
Return to 00. External program or computer data source connected
If so, control is passed to block 824
And the command on the “transmission data” line is decoded.
The task specified in block 826 (eg, “Receive
Supply output data to the "Data" line and / or
To accept data from the "data" line)
And then return to block 700. Only a few preferred embodiments of the present invention have been described in detail.
However, for those with expertise in this technical field,
While maintaining many of the novel features and advantages of the present invention,
It will be appreciated that many modifications and variations may be made.
Accordingly, the claims are to cover all such modifications and
It is intended to include deformation.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a preferred embodiment of a portable radio system constructed in accordance with the principles of the present invention, and FIG. 2 is an electrical circuit diagram of the preferred embodiment of FIG. FIG. 3 is a block diagram, FIG. 3 is an electric circuit diagram of an external accessory device having a speaker suitable for use in the portable radio system of FIG. 1, and FIG. 4 is a circuit diagram of the radio system of FIG. FIG. 5 is an electrical schematic of an accessory having a speaker and microphone suitable for use; FIG. 5 is an electrical schematic of an emergency call accessory suitable for use in the portable wireless system of FIG. 1; FIG. 6 is a block diagram of a computer / program data source accessory suitable for use in the portable wireless system of FIG. 1, and FIG. 7 is a micro-computer of the portable wireless system of FIG. Used for processor 4 is a simplified flow diagram of a portion of a control program suitable for running. 10: Portable wireless system, 12: Speaker / microphone, 20: Push-to-talk switch, 30: General-purpose device connector jack, 32: Contact, 40: General-purpose device connector plug, 50: External accessories, 60 ... Computer controlled portable wireless communication device.

────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Ralph Raymond Sherman, Jr. United States, Virginia, Forest, Hideaway Drive, No. 15 (56) References JP-A-58-177038 (JP, A) JP-A-60-53337 (JP, A) JP-A-59-69551 (JP, U) JP-A-58-83849 (JP, U) JP-B-57-60824 (JP, A) (58) (Int.Cl. ⁶ , DB name) H04B 1/38-1/58

Claims (1)

(57) [Claims] A wireless system having an RF circuit and an audio circuit, and further controlling the RF circuit and the audio circuit by executing a stored program to define at least one predetermined operating characteristic of the wireless system. An externally accessible multipoint electrical connector including a plurality of input / output connections to the microprocessor having a computer controlled portable wireless communication device having a microprocessor, wherein the wireless system has a plurality of different plug-in types. The wireless communication device has the connector for connecting any one of wireless accessory devices, and each of the plurality of plug-in wireless accessory devices has at least one point of the multipoint electrical connector. An impedance defining element for connecting to the wireless communication device through the Means for sensing the electrical impedance of a wireless accessory impedance defining element externally connected to the wireless communication device through at least one point; and (b) based on the impedance sensing, the plurality of wireless wireless devices. To determine whether any of the accessory devices are plugged into the wireless communication device via the connector to determine which wireless accessory device is plugged in to the wireless communication device Means,
(C) whether the wireless communication device transmits a plurality of signals to the plug-in connected wireless accessory device determined by the determination means under program control and receives a plurality of signals from the accessory device; Or transmitting a plurality of signals to the attached device, or receiving a plurality of signals from the attached device, wherein the signals are compatible with the wireless communication device and the attached device, so that the wireless communication Means for causing the device to communicate with the accessory device and a storage program for the microprocessor. 2. The wireless system according to claim 1, wherein said multipoint electrical connector is a general purpose device connector jack having exposed electrical contacts, at least a first of said contacts being connected to an internal power supply. The wireless communication device may be short-circuited by the user due to being exposed, and the wireless communication device may be internally connected to the input / output connection portion so as not to damage the wireless communication device when the short-circuit occurs. A means for detecting the short circuit by the electrical impedance sensing means in response to the short circuit of the first contact and enabling the generation of an audio warning signal in response to the short circuit of the first contact. A wireless system comprising: 3. 3. The wireless system according to claim 2, wherein a first of said exposed contacts is connected to a source of electrical energy via a first impedance, said source of electrical energy comprising: Maintaining the first contact at a first predetermined voltage level unless externally shorted to a ground potential to near zero voltage; a second one of the exposed contacts having a second impedance The second impedance forms a voltage divider with an external third impedance connected to the second contact, and (a) plugs into the connector. Means for detecting a zero voltage condition at the first contact by sensing an external electrical impedance representative of the connection of the wireless wireless accessory; and (b) responsive to the detection. Measuring the voltage at the second contact and determining whether the measured voltage corresponds to one of a plurality of predetermined values respectively associated with the plurality of predetermined wireless attachments. Means for corresponding to a corresponding predetermined value, and means for generating an audio signal if the measured voltage does not correspond to one of the plurality of predetermined values, store the program stored in the microprocessor. A wireless system provided and provided. 4. 2. The wireless system according to claim 1, further comprising an external speaker attachment device, wherein the external speaker attachment device (a) engages with the first multipoint electrical connector of the wireless communication device. (B) an electro-acoustic transducer connected to at least one contact of the second multi-point electrical connector, and (c) the external speaker accessory so that it can be identified. A predetermined electrical impedance connected to at least one other contact of the second multipoint electrical connector; and the microprocessor, when the two connectors are engaged and connected, sets the predetermined electrical impedance. Identify,
A wireless system that provides a means for providing an audio electrical signal to the electroacoustic transducer via the mated connectors in response to the identification. 5. 2. The wireless system of claim 1, further comprising a speaker / microphone attachment, the speaker / microphone attachment comprising: (a) a second multipoint engaging the first multipoint electrical connector. An electrical connector,
(B) an electroacoustic transducer connected to at least a first contact of the second multipoint electrical connector; and (c) a microphone connected to at least a second contact of the second multipoint electrical connector. (D) a push-to-talk switch connected to at least a third contact of said second multipoint electrical connector.
A switch and (e) a predetermined electrical impedance connected to at least a fourth contact of the second multipoint electrical connector to enable identification of the speaker / microphone attachment; (A) supplying an audio electric signal to the electro-acoustic transducer via the two connectors in response to the identification when the is engaged. Means for
(B) means for receiving audio electrical signals from said microphone when said push-to-talk switch is actuated, provided with a storage program of said microprocessor. 6. 2. The wireless system of claim 1, further comprising: an emergency call accessory, wherein the emergency call accessory is configured to: (a) engage with the first multipoint electrical connector;
A multipoint electrical connector, (b) an emergency switch connected to at least a first contact of the second multipoint electrical connector, and (c) the emergency switch to identify the emergency call accessory. And a predetermined electrical impedance connected to at least a second contact of the multi-point electrical connector of the first and second multi-point electrical connectors, and when the two connectors are engaged and connected, identifies the predetermined electrical impedance and responds to the identification. Means for monitoring the state of the emergency switch via the two connectors, and means for automatically transmitting a predetermined signal when the emergency switch is actuated. A wireless system provided and provided. 7. 2. The wireless system of claim 1 further comprising a programming accessory, the programming accessory comprising: (a) a second multipoint electrical connector engaging the first multipoint electrical connector. (B) connected to at least a first contact of the second multi-point electrical connector to enable identification of the programming accessory to be downloaded to the microprocessor; and (c) the programming accessory. A predetermined electrical impedance connected to at least a second contact of the connector, and means for identifying the predetermined electrical impedance when the two connectors are engaged and connected; Means for responsively receiving programming signals downloaded via the connectors. Radio system formed by providing with a program. 8. In a wireless system, the wireless communication device includes a wireless communication device including an RF and an audio frequency circuit, the wireless communication device has a multipoint electrical connector that can be accessed from outside, and the wireless communication device includes an internal battery as an electrical energy source. At least one first contact of the multipoint electrical connector is electrically connected to the battery via an active switch that is normally controlled to be in an open state, wherein the battery has the active switch closed. Providing an externally accessible power supply via the first contact only when controlled to a state, and further monitoring an external electrical impedance connected to at least one second contact of the connector; The active switch is controlled under the control of a stored program when the impedance connected to the second contact is detected to be of a predetermined value. Wireless system monitoring means for controlling the switch in closed state are provided. 9. 9. The wireless system according to claim 8, wherein said monitoring means is responsive to said detection so that a predetermined function of said communication device can be remotely controlled by an attached device connected via said connector. A wireless system for changing an operation method of the communication device. 10. 9. The wireless system according to claim 8, wherein said monitoring device also generates an audio warning signal from said wireless communication device when an accidentally short circuit occurs in at least one of said contacts. system. 11. 9. The wireless system according to claim 8, wherein said monitoring device has programmed computer means and is connected to supply a digital signal representing a voltage appearing at said second contact to said computer means. Wireless system including an analog-to-digital converter. 12. In a wireless system, RF and audio circuitry, an internal battery power source, a first externally accessible multi-point electrical connector, and interconnecting the connector to the RF and audio circuitry and power source to provide a predetermined operating method. A wireless communication device including a control unit for setting a wireless communication device, an internal device requiring power, capable of performing a remote communication function when an appropriate input / output interface is provided for the wireless communication device, An externally accessible second multipoint electrical connector capable of forming the appropriate input / output interface when engaged and connected to a first connector; and at least one sensing of the second connector An auxiliary device including a predetermined electrical impedance having a unique value for identification connected to the contact, wherein the control means connects to the sensing contact. Monitor and detect the value of the subsequent electrical impedance, and in response to this detection,
Power is supplied to the accessory through the mated connectors, and at the same time, the operation is changed by forming the appropriate input / output interface through the mated connectors. Wireless system. 13. 13. The wireless system according to claim 12, wherein the control means generates an audio warning signal when an accidental short circuit occurs at a contact of the first connector to which a potential is normally applied. A wireless system that includes the means. 14． 13. The wireless system according to claim 12, wherein said control means has a programmed computer device and is connected to generate a digital signal representing a voltage appearing at a sensing contact of said first connector. A wireless system having an analog-to-digital converter. 15. 2. The wireless system according to claim 1, wherein the plurality of wireless accessories include a first accessory having a first impedance element for connecting to a point on the connector, and a first accessory on the connector. A second accessory having a second impedance element for connecting to the same point of
The first impedance element has a first finite, non-zero resistance value and the second impedance element has a second finite, zero resistance value different from the first finite, non-zero resistance value. The wireless communication device has an analog-to-digital converter connected to a connector point, and the analog-to-digital converter converts a voltage applied to the first impedance element or the second impedance element to a corresponding multiple bit. Converting to a digital output, the microprocessor also determines whether any accessory is connected and whether the first or second accessory, if any, is connected to the connector. A wireless system that identifies by testing the bit digital output.